<?php foreach ($form['usuario'] as $name => $field): ?>
  <?php if ($field->isHidden()) continue ?>
  <div class="admin_form_row">
    <div>
      <?php echo $field->renderError() ?>
      <?php echo $field->renderLabel() ?>
      <div class="content">
        <?php echo $field->render() ?>
      </div>
    </div>
  </div>
<?php endforeach ?>